Fix URL.

Review URL: https://codereview.chromium.org//11574051

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/logging@16191 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/test/logging_test.dart b/test/logging_test.dart
index e6809ea..6444e3a 100644
--- a/test/logging_test.dart
+++ b/test/logging_test.dart
@@ -6,7 +6,7 @@
 library logging_test;
 
 import 'package:logging/logging.dart';
-import 'package:/unittest/unittest.dart';
+import 'package:unittest/unittest.dart';
 
 main() {
   test('level comparison is a valid comparator', () {